LG | LMNC246S5A0.ANONE1 | LG LMNC246S5A0.ANONE1 Owner’s Manual

OWNER’S MANUAL
AIR CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
TYPE : WALL MOUNTED
3575
cacservice@lgindia.com
LG Electronics India Pvt. Ltd.
Registered Office : A-27, Mohan Co-operative
Industrial Estate, Mathura Road, New Delhi-110044
Tel: 011-26991412, Fax: 011-26991410
P/No. MFL67470601
www.lg.com
(Recommended 24°C is suitable for human body)
(Refer page no. 20 and 21 for details)
16 ADVANCED FUNCTIONS
– Prior to operation
– Components
– Electrical Safety
– Using the remote control
Inserting Batteries
Installing the remote control holder
Wireless Remote Control
13 BASIC FUNCTIONS
Cooling your room
Removing humidity
Airing your room
Adjusting the fan speed
Adjusting the air flow direction
Setting the timer
– Setting the current time
– Turning on the air conditioner
automatically at a set time
– Turning off the air conditioner
automatically at a set time
– Cancelling the timer setting
Setting sleep mode
PRECAUTION
• Contact the authorized service technician for repair or
maintenance of this unit.
• Please install your air-conditioner by company
authorised service franchisee / authorised service
and sales dealer.
• The air conditioner is not intended for use by young
children or invalids without supervision.
• Young children should be supervised to ensure that
they do not play with the air conditioner.
• When the power cord is to be replaced, replacement
work shall be performed by authorized personnel only,
using only genuine replacement parts.
Changing room temperature quickly
Air purification mode
Indoor air purification
– Auto Clean operation
– Plasma Purification operation
Auto operation
Quiet Mode (optional)
Energy Saver mode
Dimmer
Operating the air conditioner without the
remote control
21 MAINTENANCE
– Cleaning the air filter
– Cleaning the anti-allergy filter
and triple filter
– Cleaning the plasma filter
23 TROUBLESHOOTING
– Self-diagnosis function
– Before requesting service
Prior to Operation
Preparing for Operation
1. Contact an installation specialist for
installation.
2. Plug in the power plug properly.
3. Use a dedicated circuit.
4. Do not use an extension cord.
5. Do not start/stop operation by plugging/
unplugging the power cord.
6. If the cord/plug is damaged, replace it
with only an authorized replacement
Usage
1. Being exposed to direct airflow for a long
time may be hazardous to your health.
Do not expose occupants, pets, or
plants to direct airflow for a long time.
2. Due to the possibility of oxygen
deficiency, ventilate the room when using
the appliance together with stoves or
other heating devices.
3. Do not use this air conditioner for nonspecified special purpose (e.g.
preserving precision devices, food, pets,
plants, or art objects). Such use may
damage your properties. only an
authorized replacement part.
Cleaning and Maintenance
1. Do not touch the metal parts of the unit
when removing the filter. Injury can occur.
2. Do not use water to clean inside the air
conditioner. Exposure to water can
destroy the insulation, leading to electric
shock.
3. When cleaning the unit, first make sure
that the power and breaker are turned
off. The fan rotates at a very high speed
during operation. There is a possibility of
injury if the unit’s power is triggered while
Service
For repair and maintenance, contact your
authorized service dealer.
Components
Symbols used in this Manual
This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that may cause harm to the
air conditioner.
Notice
This symbol indicates special notes.
Features
WARNING
This appliance should be installed in accordance with national wiring regulations. This guide acts as a
guide to help to explain product features.
Indoor unit
Air Inlet
Signal Receptor
Air Filter
Front Panel
Outdoor unit
Air Intake Vents
Connecting
Wires
Piping
Air Outlet Vents
Base Plate
Drain Hose
Electrical Safety
WARNING
• This appliance must be properly grounded.
To minimize the risk of electric shock, you must always plug into a grounded outlet.
• Do not cut or remove the grounding.
• Attaching the adapter ground terminal to the wall receptacle cover screw does not ground the
appliance unless the cover screw is metal and not insulated, and the wall receptacle is grounded
through the house wiring.
• If you have any doubt whether the air conditioner is properly grounded, have the wall receptacle
and circuit checked by a qualified electrician.
Using the remote control
12
Using the remote control
You can operate the air conditioner more conveniently with the remote control. You will find the
buttons for the additional functions under the cover of the remote control.
Wireless remote control
Control panel Display Screen
POWER
Display
Screen
OOL
MODE
OPERATION MODE SELECTION BUTTON
Selects the operation mode.
Cooling operation ( ) / Auto operation or Auto
Changeover ( ) / Healthy Dehumidifying operation
( ) / Heating operation ( ) / Air Circulation ( ).
TEMP
ROOM TEMPERATURE SETTING BUTTONS
Used to select the room temperature.
FAN SPEED
INDOOR FAN SPEED SELECTION BUTTON
Used to select fan speed in four stops - Low,
Medium, High and natural wind.
HORIZONTAL VANE CONTROL BUTTON
Used to set the desired vertical airflow direction.
POWER
JET C
VERTICAL LOUVER CONTROL BUTTON
Used to set the desired horizontal airflow direction.
TEMP
Control
Panel
AUTO CLEAN BUTTON
Used to set auto clean.
AUTO CLEAN
FAN SPEED
ROOM TEMPERATURE CHECKING BUTTON
Used to check the room temperature.
ROOM
SLEEP
MODE
Description
ON/OFF BUTTON
Turns the power on/off.
CANCEL
SET
ON–TIMER–OFF
ROOM AUTO CLEAN
ON/OFF TIMER BUTTONS
Used to set the time of starting and stopping operation.
ON–TIMER–OFF
TIME SETTING BUTTONS
Used to adjust the time.
–TIMER–
QUIET
–TIMER–
STEP
CANCEL
TIMER SET/CANCEL BUTTON
Used to set and to cancel the timer operation.
SET
RESET BUTTON
Used prior to resetting time.
RESET
PLASMA BUTTON (Optional)
Used to start or stops the plasma-purification.
DIMMER (Optional)
Used to operate Dimmer Function using 2ndF.
SLEEP MODE AUTO BUTTON
Used to set sleep mode auto operation.
SLEEP
JET COOL BUTTON
Used to start or stop the speed cooling. The Jet Cool
operates fan in super high speed in cooling mode.
JET COOL
2ndF BUTTON
Used prior to using modes printed in blue at the
bottom of buttons.
22
QUIET
ENERGY SAVER MODE
Used to operate Energy Saver function.
QUIET MODE (Optional)
Used to operate Quiet Mode function.
* Some functions may not be supported, depending on the model
13
BASIC FUNCTIONS
Cooling your room
POWER
MODE
Following is the display on the display
screen.
POWER
MODE
(Heating operation / Heat Pump model only)
POWER
MODE
Following is the display on the display
screen.
In this mode indoor unit fan and outdoor
unit will be OFF when set temperature is
achieved.
14
Selectable Air Swing (Horizontal)
(Optional)
POWER
MODE
Following will be displayed on the display
screen.
To adjust the direction of the air flow horizontally.
Open the remote control cover while the
air conditioner is in operation.
Press the 2ndF Button.
Press the HORIZONTAL VANE
CONTROL BUTTON.
Each time the button is pressed, the air flow
direction is changed in the direction of the
arrow.
1 Step
2 Step
3 Step
4 Step
5 Step
6 Step
Automatic Air Swing (Horizontal)
To adjust the direction of the air flow
automatically, switch OFF 2ndF button
and press
button.
FAN SPEED
Press FAN SPEED repeatedly to adjust
the fan speed.
Select
if you want natural air.
The fan speed adjusts automatically.
Selectable Air Swing (Vertical)
(Optional)
To adjust the direction of the air flow vertically.
Open the remote control cover while the
air conditioner is in operation.
Press the 2ndF Button.
Press the VERTICAL LOUVERS
CONTROL BUTTON.
Each time the button is pressed, the air flow
direction is changed in the direction of the
arrow.
1 Step
2 Step
3 Step
4 Step
5 Step Left Auto Swing Right Auto Swing
Automatic Air Swing (Vertical)
To adjust the direction of the air flow
automatically, switch OFF 2ndF button
and press
button.
Natural wind (CHAOS Logic)
For fresher feeling, press the INDOOR FAN
SPEED SELECTION BUTTON and set to
Natural wind mode.
In this mode, the wind blows like a natural
breeze by automatically changing fan speed.
2 Press the RESET BUTTON.
3 Press 2ndF button and check if icon is on.
4 Press the
until the desired time is set.
–TIMER–
5 Press the TIMER SET/CANCEL BUTTON.
NOTE Check the indicator for a.m. and p.m.
15
Check if
Press 2 ndF button and check if icon is on.
Press
to set the desired ON time.
ON–TIMER
– The icon below is displayed on the
display screen.
Press
icon is off.
Press the TIMER SET/CANCEL BUTTON
aiming the remote controller at the signal
receiver.
(The timer lamp on the air conditioner and
the display will go off.)
until the desired time is set.
–TIMER–
Press TIMER SET/CANCEL BUTTON
to finish.
Press POWER to turn on the power.
MODE
Press
repeatedly to select the desired
mode.
SLEEP
Press
repeatedly to select the desired
number of hours (up to 7 hours).
Press 2 ndF button and check if icon is on.
Press
to set the desired OFF time.
TIMER–OFF
– The icon below is displayed on the
display screen.
Press
until the desired time is set.
–TIMER–
Press TIMER SET/CANCEL BUTTON
to finish.
This mode does not have auto restart
feature.
The sleep mode will operate indoor fan at
super low speed in cooling mode and at low
speed in heating mode for pleasant sleep
In cooling mode or healthy dehumidification
mode
The setting temperature will rise automatically
two times by 1°C over next consecutive 30
minutes (Maximum 2°C) for a comfortable
sleep.
This will be the final setting temperature as
long as sleep mode is functioning.
After completion of set time unit will switch
OFF automatically.
16 ADVANCED FUNCTIONS
Air Purification Mode
(Optional)
LG Air conditioner come with a variety of
filters like Anti-Bacteria filter, Tripple Filter,
Virus & Allergy safe filter, Plasma Filter, which
enable you to use it as a Built-in Air purifier
(Even when you are not using it for cooling,
hence minimal electricity consumption).
Press POWER to turn on the power.
OL
JET CO
Press "
" Key. The unit will turn ON,
with only the fan operated and Built-in Air
purifier function is activated.
–
is displayed on the display screen.
In this mode the compressor will not
operate, hence saves electricity.
This function may not be supported,
depending on the model.
ADVANCED FUNCTIONS 17
Plasma Purification operation
(Optional)
Press POWER to turn on the power.
Press POWER to turn on the power.
AUTO CLEAN
During Auto Clean function:
“Co” will be displayed on the Unit.
E-Saver Icon will blink on the Unit.
(E-Saver icon will blink in selected models)
18
ADVANCED FUNCTIONS
Press POWER to turn on the power.
Press
tion.
MODE
repeatedly to select auto opera-
TEMP
Please select the code
as per your requirement.
Code
Feel
Cold
Slightly Cool
Neutral
Slightly Warm
Warm
ADVANCED FUNCTIONS 19
Quiet Mode Operation
(Optional)
This mode minimizes the fan speed of the
system hence making the environment more
comfortable and silent.
1. Press POWER to turn on the power.
2. Open the remote control cover.
QUIET
3. Press
mode button.
Quiet Mode Feature :
In quiet mode unit display shows SL.
Following is displayed on the display screen.
22
In this mode temperature may increase
after some time but only upto 26°C.
This mode has Auto Restart feature. This
means if during this mode, power goes OFF
then unit will restart with the same mode
(Quiet mode) when power comes ON.
This mode does not have auto restart
feature.
Quiet mode will be cancelled by pressing
quiet mode key again.
e-Saver Mode
Dimmer (Optional)
In Dimmer Mode Unit Display will be turned OFF
completely but system will be in running state.
1. Make sure that remote & Air conditioner are ON.
2. Press 2ndF button.
3. Press Dimmer Key to activate/deactivate dimmer
function.
Press POWER to turn on the power.
MODE
Dimmer Mode will be cancelled if any key
except 2ndF Key and Room Key is pressed
(Power Key will turn OFF the Unit.
This mode has Auto Restart feature.
20 ADVANCED FUNCTIONS
(Forced Operation)
Open the front
panel upward
ON/OFF
button
Cooling Model
Heat pump Model
Room Temp. ³ 24°C
21°C ³ Room Temp. < 24°C
Room Temp. < 21°C
Heating
Operating mode
Cooling
Cooling
Healthy Dehumidification
Indoor FAN Speed
High
High
High
High
Setting Temperature
22°C
22°C
23°C
24°C
If you want to stop the unit, re-press the power button.
MAINTENANCE 21
22 MAINTENANCE
Caution :
Plz do not press the
mesh with finger as
shown above
Outdoor Unit
(Rear)
The heat exchanger coils and panel vents of the outdoor unit should
be checked regularly. If clogged with dirt or soot, the heat exchanger
and panel vents may be professionally steam cleaned.
Air intake
vents
(Side)
Piping
Drain Hose
NOTICE
Dirty or clogged coils will reduce the operating efficiency of the system and
cause higher operating costs.
(Rear)
Air intake
vents
Air outlet
vents
Air outlet
vents
(Rear)
(Side)
Piping
Drain Hose
Air intake
vents
(Side)
Piping
Drain Hose
Air outlet
vents
TROUBLESHOOTING 23
24 TROUBLESHOOTING
When the air conditioner is not going to be used for a long time.
When air conditioner is not going to be
used for a long time.
When the air conditioner is to be used again.
• This will dry out the internal mechanisms.
Clean the air filter and install it in the indoor
unit.
(Refer to page 26 for cleaning filters.)
Turn off the circuit breaker, and disconnect
the plug.
Check that the air inlet and outlet of the
indoor/outdoor unit are not blocked.
Operate the air conditioner on Air circulation
mode (Refer to page 23) for 2 to 3 hours.
CAUTION
Turn off the circuit breaker when the air conditioner
is not going to be used for a long time.
Dirt may collect and may cause a fire.
Remove the batteries from the remote
control.
For any further information, please contact LGEIL Branches
BRANCH
BRANCH OFFICE ADDRESS
PHONE NO. / FAX NO.
LGEIL, 233-234, Platinum Plaza, Nr. Judges Bunglow Cross Road, Bodakdev,
Ahmedabad-54
Asansol
LGEIL, Block-E, Ist Floor, P C Chattarjee Market, Rambandhu Tala, GT Road (E)
Asansol-713303
Aurangabad
LGEIL, 302 CIDCO No. 3, Opp. Hotel Ramgiri, Jalna Road, Aurangabad-431003
Bangalore
LGEIL, No. 914, 2nd Floor, Shri Venkateshwara Complex, Opp. IBP Petrol Bunk,
80ft Road, 6th Block, Koramangala - Banglore - 560095
Bhopal
LG Electronics India Private Limited, 2nd Floor, Alankar Complex, Plot No. 10,
M.P. Nagar, Zone-II, Bhopal-462011
Bhubaneshwar LGEIL, Plot No. 02,1st Flr., Bapuji Nagar, Bhubaneshwar-751009
Calcutta
LGEIL, 1, Ho-Chi-Min-Sarani, 6th Floor, Metro Towers, Calcutta-700071
Chandigarh
LGEIL, SCO No. 142-143, 3rd Floor, Sector-34A, Chandigarh-160002
Chennai
LGEIL, AA11, 2nd Avenue, Fatima Tower, Anna Nagar West, Chennai-600040
Cochin
LGEIL, 40/1270, Vasudeva Buildings, T.D. Road, Ernakulam Cochin-682011
Coimbatore
LGEIL, 250A, Sanganur Main Road, Kannappa Nagar, Coimbatore-641027
Delhi
LGEIL, A-27, Mohan Co-operative, Industrial Estate, New Delhi
Dehradun
LGEIL, M-22, Commercial Motors Compound, Mohabewala Indl. Area,
Delhi-Saharanpur Road, Dehradun (Uttarakhand)
Gurgaon
LGEIL, IInd Flr, A Block, Centre Point Bldg, Sushant Lok , Ph-I, Gurgaon-122001
Ghaziabad
LGEIL, J-10, RDC Rajnagar, Ghaziabad - 201001
Guwahati
LGEIL, Shantineer Bhawan, C K Aggarwal Path, Chenikurthi, Guwahati-781003
Hyderabad
LGEIL, 1st Floor, Survey No. 54, Pulla Reddy Building, Vikarampuri,
Main Road, Kharkhana, Secunderabad-500009
Hubli
LGEIL, 1 Floor, Above Bellad & Co., Near Bannigida Busstop, Gokul Road,
Hubli-580030
Indore
LGEIL, 3rd flr., 304 Bansi Trade Centre, 581/5 M.G. Road, Indore-452003
Jaipur
LGEIL, B-71, Sahakar Marg, Lal Kothi Scheme, Jaipur-302015
Jammu
LGEIL, Plot No. 52, Yard No. 6,Transport Nagar, Narwal, Jammu-180006
Jodhpur
LGEIL, 22(1-A)/21(2-B)/2, RIICO Heavy Industrial Area, Jodhpur-342003
Karnal
LG Electronics India Pvt Ltd, Super Tyre Building, Near New Anaj Mandi,
Opp. New World Restauarnt, G.T. Road Karnal, Haryana
Lucknow
LGEIL, B-537, Hari Kunj, Keshav Nagar, Sitapur Road, Lucknow-226020
Ludhiana
LGEIL, Village Jhande, Near Badowal Railway Station,
Opp. Ferozpur Road, Ludhiana.
Mumbai(N & S) LGEIL, Trade Star, 4th Floor, A Wing, J.B. Nagar, Andheri Kurla Road,
Andheri (E) Mumbai-400059
Nagpur
LGEIL, 5A, Road No.13, Behind Msrtc Workshop, MIDC Hinga, Nagpur-440016
Patna
LGEIL, 2nd Floor, Ankit Chandra Deep Complex, Bander Bageecha,
Near Samrat Hotel, Patna-800001.
Pune
LGEIL, 201, 2nd Floor, Plexus Complex, at 134/1, CTS No. 1337/1,
Nr. Parihar Chowk, Aundh, Pune-411 007.
Rajkot
LGEIL, Sanskruti Apartment, Opp. Dr. Ambedkar Bhawan, Near Atithi Chowk,
Akshar Road , Rajkot - 360004
Raipur
613 to 616 , 6th Floor, Offizo, Magneto - The Mall, GE Road,
Raipur - 492001
Ranchi
LGEIL, 402, Commerce Tower, Opp. Gel Church Complex, Main Road, Ranchi
Surat
LGEIL, 1001-1004, Ascon Plaza, IInd Flr, Anand Mahal Road,
Behind Bhulka Bhavan School, Adajan, Surat-395009
Thane
LGEIL, Gall Shop No - 206,207, 2nd Floor, Sai Plaza , Above Vijay Sales
Opp. Cine Wonder Mall, Ghodbunder Road , Thane(West)-400607
Varanasi
LGEIL, Pama Complex, DLW, Lahartara Road, Shivdaspur, Manduadih,
Varanasi, UP-221002
Vijaywada
LGEIL, Door No. 32-2/1-7, Ratnamamba Street, Prajasakti Nagar,
Vijaywada-520010, Andhra Pradesh
Warangal
LGEIL, House No. 1-8-598/1, First Floor, Beside HDFC Bank, Nakkalgutta,
Hanamakonda-506001 (Warangal)
Kozhikode
3/568, Thripuri Building, Wayanadu Road, First Floor,Near K.S.F.E,
East Nadakkavu, Calicut-673011
Ahmedabad
40040013-14
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Email : serviceindia@lge.com
LG Electronics
TEST RUNNING
1. Check that all tubing and wiring have been
properly connected.
2. Check that the gas and liquid side service valves
are fully open.
3. Ensure the difference between the intake
temperature and the discharge is more than 8°C
(Cooling) or reversely (Heating).
A Prepare remote control
Intake temperature
Discharge air
1 Remove the battery cover
by pulling it according to the
arrow direction.
2
1 Insert new batteries making
sure that the (+) and (–) of
battery are installed correctly.
Discharge
temperature
3
1 Reattach the cover by
pushing it back into position.
4. For reference; the gas side pressure of optimum
condition is as below.(Cooling)
NOTE:
Use 2 AAA(1.5volt) batteries. Do not use
rechargeable batteries.
Remove the batteries from the remote control if
the system is not going to be used for a long
time.
B Settlement of outdoor unit
Anchor the outdoor unit with a bolt and nut ø10mm)
tightly and horizontally on a concrete or rigid mount.
When installing on the wall, roof or rooftop, anchor
the mounting base securely with a nail or wire
assuming the influence of wind and earthquake.
In the case when the vibration of the unit is
conveyed to the hose, secure the unit with an
anti-vibration rubber.
Outside ambient TEMP. The pressure of the gas side service valve
35°C(95°F)
4~5kg/cm2 G(56.8~71.0 P.S.I.G.)
NOTE: If the actual pressure are higher than shown, the
system is most likely over-charged, and charge
should be removed. If the actual pressureare
lower than shown, the system is most likely
undercharged, and charge should be added
The air conditioner is now ready for use.
PUMP DOWN
This is performed when the unit is to be
relocated or the refrigerant circuit is serviced.
Pump Down means collecting all refrigerant in the
outdoor unit without loss in refrigerant gas.
CAUTION:
Be sure to perform Pump Down procedure with the
unit cooling mode.
Bolt
Pump Down Procedure
Tubing connection
C Evaluation of the performance
Operate unit for 15~20 minutes, then check the
system refrigerant charge:
1. Measure the pressure of the gas side service
valve.
2. Measure the temperature of the intake and
discharge of air.
1. Connect a low-pressure gauge mainifold hose to the
charge port on the gas side service valve.
2. Open the gas side service valve halfway and purge
the air from the manifold hose using the refrigerant
gas.
3. Close the liquid side service valve(all the way in).
4. Turn on the unit's operating switch and start the
cooling operation.
5. When the low-pressure gauge reading becomes 1
2
to 0.5kg/cm G(14.2 to 7.1 P.S.I.G.), fully close the
gas side valve stem and then quickly turn off the
unit. At that time, Pump Down has been completed
and all refrigerant gas will have been collected in
the outdoor unit.
20
Soap water method
(1) Remove the caps from the 2-way and 3-way
valves.
(2) Remove the service-port cap from the 3-way
valves.
(3) To open the 2-way valve turn the valve stem
counterclockwise approximately 90°, wait for
about 2~3 sec, and close it.
(4) Apply a soap water or a liquid neutral detergent
on the indoor unit connection or outdoor unit
connections by a soft brush to check for
leakage of the connecting points of the piping.
(5) If bubbles come out, the pipes have leakage.
Gas side
Liquid side
3-way valve
(Close)
3-way valve
(Open)
Cap
C Evacuation
Connect the charge hose end described in the
preceding steps to the vacuum pump to
evacuate the tubing and indoor unit.
Confirm the "Lo" knob of the manifold valve is
open. Then, run the vacuum pump.
The operation time for evacuation varies with
tubing length and capacity of the pump. The
following table shows the time required for
evacuation.
Hexagonal wrench
Indoor unit
Indoor unit
Required time for evacuation when 30 gal/h
vacuum pump is used
If tubing length is less
than 10m (33 ft)
10 min. or more
Outdoor unit
If tubing length is longer
than 10m (33 ft)
15 min. or more
When the desired vacuum is reached, close the
"Lo" knob of the manifold valve and stop the
vacuum pump.
D Finishing the job
With a service valve wrench, turn the valve stem
of liquid side valve counter-clockwise to fully
open the valve.
Turn the valve stem of gas side valve
counter-clockwise to fully open the valve.
Loosen the charge hose connected to the gas side
service port slightly to release the pressure, then
remove the hose.
Replace the flare nut and its bonnet on the gas side
service port and fasten the flare nut securely with an
adjustable wrench. This process is very important to
prevent leakage from the system.
Replace the valve caps at both gas and liquid side
service valves and fasten them tight.
This completes air purging with a vacuum pump.
The air conditioner is now ready to test run.
Manifold valve
Pressure
gauge
Lo
Hi
Open
Close
Vacuum pump
19
1
Air purging
AIR PURGING
Air and moisture remaining in the refrigerant
system have undesirable effects as indicated
below.
Pressure in the system rises.
Operating current rises.
Cooling(or heating) efficiency drops.
Moisture in the refrigerant circuit may
freeze and block capillary tubing.
Water may lead to corrosion of parts in the
refrigeration system.
Therefore, the indoor unit and tubing between
the indoor and outdoor unit must be leak tested
and evacuated to remove any noncondensables
and moisture from the system.
2
1
Air purging with vacuum
pump
Do a leak test of all joints of the tubing(both
indoor and outdoor) and both gas and liquid side
service valves.
Bubbles indicate a leak. Be sure to wipe off the
soap with a clean cloth.
After the system is found to be free of leaks,
relieve the nitrogen pressure by loosening the
charge hose connector at the nitrogen cylinder.
When the system pressure is reduced to normal,
disconnect the hose from the cylinder.
Indoor unit
Indoor unit
A Preparation
Check that each tube(both liquid and gas
side tubes) between the indoor and
outdoor units have been properly
connected and all wiring for the test run
has been completed. Remove the service
valve caps from both the gas and the liquid
side on the outdoor unit. Note that both the
liquid and the gas side service valves on
the outdoor unit are kept closed at this
stage.
B Leak test
Outdoor unit
Manifold valve
Connect the manifold valve(with pressure
gauges) and dry nitrogen gas cylinder to
this service port with charge hoses.
Pressure
gauge
Lo
Hi
CAUTION
Be sure to use a manifold valve for air
purging. If it is not available, use a stop valve
for this purpose. The "Hi" knob of the manifold
valve must always be kept close.
Charge hose
Pressurize the system to no more than 150
P.S.I.G. with dry nitrogen gas and close the
cylinder valve when the gauge reading
reached 150 P.S.I.G. Next, test for leaks with
liquid soap.
Nitrogen gas
cylinder(in vertical
standing position)
CAUTION
To avoid nitrogen entering the refrigerant system in a
liquid state, thetop of the cylinder must be higher than its
bottom when you pressurize thesystem. Usually, the
cylinder is used in a vertical standing position.
18
CHECKING THE DRAINAGE AND FORMING THE PIPINGS
1
Checking the drainage
A
To remove the front panel from the indoor
unit, remove the front panel from the
indoor unit cabinet.
Set the air direction louvers up-and-down to
the position(horizontally) by hand.
Remove the securing screws that retain the
front panel. Pull the lower left and right
sides of the grille toward you and lift it off.
(18K, 24K, 26K Btu models: 3EA)
Form the piping
2
1 A
Form the piping by wrapping the
connecting portion of the indoor unit with
insulation material and secure it with two
kinds of vinyl tapes.
If you want to connect an additional drain
hose, the end of the drain outlet should be
routed above the ground. Secure the drain
hose appropriately.
B
In cases where the outdoor unit is
installed below the indoor unit perform
the following.
Tape the piping, drain hose and
connecting cable from down to up.
Secure the tapped piping along the exterior
wall using saddle or equivalent.
Pull the right and
the left side.
Screw
Seal small openings
around pipings with a
gum type sealer.
B To check the drainage.
Pour a glass of water on the evaporator.
Ensure the water flows through the drain
hose of the indoor unit without any leakage
and goes out the drain exit.
Taping
Drain
hose
Pipings
Connecting
cable
Trap is required to prevent water
from entering into electrical parts.
C
In cases where the Outdoor unit is
installed above the Indoor unit perform
the following.
Tape the piping, and connecting cable from
down to up.
Secure the taped piping along the exterior
wall. Form a trap to prevent water entering
the room.
Fix the piping onto the wall by saddle or
equivalent.
C Drain piping
The drain hose should point downward for
easy drain flow.
Downward slope
Seal a small opening
around the pipings
with gum type sealer.
Trap
Do not make drain piping.
Do not raise
Water
leakage
Water
leakage
Accumulated
drain water
Air
Waving
Tip of drain hose
dipped in water
Water
leakage
Less than
50mm gap
Trap
Ditch
17
2
1
Connect the cable to the
outdoor unit
A
Outdoor Unit
Terminal block
Remove the control cover from the unit by
loosening the screw.
Connect the wires to the terminals on the
control board individually.
B Secure the cable onto the control board with
the cord clamp.
C Refix the control cover to the original
position with the screw.
D
Over 5mm
Connecting cable
Connecting cable
Use a recognized circuit breaker 20Ax2 (24K),
25Ax2 (36K, 48K) between the power source
and the unit. A disconnecting device to
adequately disconnect all supply lines must
be fitted.
Cover control
CAUTION
After the confirmation of the above conditions, prepare the wiring as follows:
1) Never fail to have an individual power circuit specifically for the air conditioner. As for
the method of wiring, be guided by the circuit diagram posted on the inside of control
cover.
2) The screw which fasten the wiring in the casing of electrical fittings are liable to come
loose from vibrations to which the unit is subjected during the course of
transportation. Check them and make sure that they are all tightly fastened. (If they
are loose, it could cause burn-out of the wires.)
3) Specification of power source.
4) Confirm that electrical capability is sufficient.
5) See to that the starting voltage is maintained at more than 90 percent of the rated
voltage marked on the name plate.
6) Confirm that the cable thickness is as specified in the power source specification.
(Particularly note the relation between cable length and thickness. (Refer to page 11))
7) Always install an earth leakage circuit breaker in a wet or moist area.
8) The following would be caused by voltage drop.
Vibration of a magnetic switch, which will damage the contact point, fuse breaking, disturbance of the
normal function of the overload.
9) The means for disconnection from a power supply shall be incorporated in the fixed
wiring and have an air gap contact separation of at least 3mm in each active(phase)
conductors.
16
C) 48K
Unit-1
Indoor terminal block
1
2
3
RD
4
5
BR
1
2
3
Unit-2
3
RD
4
5
BR
BK
BK
GND
Outdoor terminal block
GND
4
6
9
10
Unit-2
Unit-1
11
5
12
D) 48K (3 Room)
Unit-1
Indoor terminal block
1
Unit-2
3
2
RD BK
4
5
1
2
3
Unit-3
4
1
BK
BR
GND
L(A) N(A) S(A)
2
3
4
GND
RD
BR
BK
BR GND
RD
Outdoor terminal block
L(B,C) N(B,C) S(B) S(C)
Note : GND = Ground Earthing
Wire specification.
2.5 mm2
24/36/48K
1 Phase
Model
No of core
4
CAUTION
The power cord connected to the outdoor unit should be
The connecting cable connected to the indoor and outdoor
with the following specifications
unit should be with the following specifications
NORMAL CROSS-SECTIONAL AREA
GN
/YL
Capacity
24/36/48K BTU/h
1 Phase
2.5mm2
NORMAL
CROSS-SECTIONAL
AREA
1.25mm 2 (24/36/48K)
GN
D
20
20
mm
mm
If the supply cord is damaged, it must be replaced by a special cord or assembly availible from the manufacturer of its service agent.
WARNING
Make sure that the screws of the terminal are free from looseness.
2) Clamping of cables
1) Arrange 2 power cables on the control panel.
2) First, fasten the steel clamp with a screw to the inner boss of control panel.
3) For the cooling model, fix the other side of the clamp with a screw strongly.
15
CONNECTING THE CABLE BETWEEN INDOOR UNIT AND OUTDOOR UNIT
24/36/48K BTU/h
1) Connecting cables to the Indoor Unit
Connect the wires to the terminals on the control board individually according to the
outdoor unit connection.
Ensure that the color of the wires of outdoor unit and the terminal No. are the same as
those of indoor unit respectively
l
1) Input 1-phase power supply into outdoor & wire specification.
A) 24/36K
B) 48K
Outdoor terminal block
L1 N1
GND L N
Unit-1
N2 L2
N
L GND
Unit-2
1
L
2
3
N GND
Unit-1
7
L
8
9
N GND
Unit-2
C) 48K (3 Room)
1
L1
2
3
4
5
6
N1 GND L2 N2
Unit-1
Unit-2
2) For Connection between of Indoor and Outdoor unit & wire specification
A) 24K
Unit-1
Indoor terminal block
1
2
3
RD BK
Unit-2
4
BR
1
3
2
4
BR
BK
RD
GND
GND
Outdoor terminal block
1
3
4
Unit-2
Unit-1
5
2
B) 36K
6
Unit-1
Indoor terminal block
1
3
2
Unit-2
4
5
1
RD
RD BK
3
2
4
5
BR
BK
BR
GND
GND
Outdoor terminal block
1
3
4
Unit-2
Unit-1
5
2
6
Note : GND = Ground Earthing
14
Indoor Wiring Diagram : 12K
CONDUCTIVE
ENCLOSURE
MOTOR ONLY
MAIN PWB ASM.
TRIAC
OR
CN-TH1
ROOM THERMISTOR
PIPE THERMISTOR
CN
OPTION
MOTOR BK
OPTION
PWB ASM
CN-MOTOR
BR
YL
CN-UD
STEP
MOTOR
SH -CAPA
CN-L/R
CN-N1
4 3
RD
GR
BK
RY-COMP
BL
CN-N2
STEP
MOTOR
H.V.
CN-HVB
ASM
FUSE
BK
250V/T3.15A
CN-12V BK
RD AIR
BK CLEAN
(PLASMA)
BK
BK
DISPLAY
PWB ASM.
CN-DISP1
E
L N E S
CN-SW
SW / PCB
OUTDOOR UNIT
EBY32811149
Indoor Wiring Diagram : 18K, 24K
CONDUCTIVE
ENCLOSURE
MOTOR ONLY
MAIN PWB ASM.
TRIAC
OR
CN-TH1
ROOM THERMISTOR
PIPE THERMISTOR
CN
OPTION
MOTOR BK
OPTION
PWB ASM
CN-MOTOR
BR
YL
CN-UD
STEP
MOTOR
SH -CAPA
CN-L/R
CN-N1
4 3
BL
BK
STEP
MOTOR
H.V.
ASM
CN-HVB
RY-COMP
RD
GR
CN-N2
FUSE
250V/T3.15A
CN-12V
BK
BK
L N E
S
RD AIR
BK CLEAN
(PLASMA)
BK
BK
DISPLAY
PWB ASM.
CN-DISP1
E
CN-SW
SW / PCB
OUTDOOR UNIT
EBY32811147
13
Outdoor Wiring Diagram : 48K
OUTDOOR WIRING DIAGRAM
C
FAN
MOTOR1
C
FAN
MOTOR2
R
R
S
OR
S
OR
YL
RD
C
F
H
BK
CAP 1
BK
R
C
BK
TB4
TB3
8
1
4
0
2
RD
8
1
4
0
2
RD
BK
6
BK
6
BK
BK
BR
BR
GR/YL
GR/YL
BK
RD
1
RD/BR
2
BK
RD
3
4
RD
5
TERMINAL
BLOCK (B)
6
BK
BK/BL
GREEN
7
SIGNAL
TERMINAL
BLOCK (A)
F
CAP 2
BK
S
COMP. 2
C
BK
TB2
TB1
RD
RD
RD
YL
RD
H
BK
R
S
COMP. 1
C
WH
WH
RD
RD/BR
TO INDOOR
(1Ø, 230V)
INPUT MAINS SUPPLY
8
9
10
RD
11
BK
BK/BL
GREEN
12
SIGNAL
TO INDOOR
(1Ø, 230V)
INPUT MAINS SUPPLY
EBY43429011
Outdoor Wiring Diagram : 48K (3 Room)
OUTDOOR WIRING DIAGRAM
COMP-A
C
FMo
R
S
WH BK RD
COMP-B
C
R
SV_b
FMo
S
WH BK RD
BL
YL OR BK
BL
YL OR BK
BL
RD
H
YL
WH
H
BK
C
TB2
F C
FAN
BK
220V, 3.15A
CN_ACLOAD
4
3
RY_COMP(A)
TB1
BL
SV_b
SV_b
BP
F
BR
SV_C
By Pass
L
N
L_c
L_b
L_a
CN_POWER
3 MIN, delay PCB
RY-COMP(B)
4
3
BL
BR
RD
YL
GR/YL
BK
RD
BK
BL
BK
RD
BR
TER MINA L(A)
1
L1
2
3
4
E
N1
5
L2
6
N2
7
L(A)
N(A)
8
S(A)
9
10
11
S(B)
N(B.C)
L(B.C)
A-UNIT
INPUT MAINS
SUPPLY
(1Ø, 230V)
TERMINAL(B)
12
S(C)
C-UNIT
B-UNIT
INPUT MAINS
SUPPLY
(1Ø, 230V)
TO INDOOR UNIT
3854A20298Z
12
WIRING DIAGRAM
Outdoor Wiring Diagram : 24K
RD
OR
CAP3
BK
BR
RD
C
BK
RD
R
COMP. 1
S
FAN
MOTOR
YL
RD
C BR OLP
R
S
RD
RD
BK
BL
R
CAP 1
WH
BL
C BR OLP
TB
H
RD
BK
C F
CAP 2
H
6
OR
2
8
0
1
4
6
BL
1
4
4
0
1
4
BR
OR
BK
L1 N1
COMP. 2
TB
2
3
RD
BK/BL
5
RD
N2 L2
6
GR
RD
S
WH
C F
1
2
8
BK
BK
RD
3
2
BL
BL
RD
BK
SIGNAL
SIGNAL
BK
BR
RD
RD
RD/BR
BK
BL
BK/BL
RD/BR
GR
(1ø, 230V)
TO INDOOR
INPUT MAINS SUPPLY UNIT 1 UNIT 1
TO INDOOR
UNIT 2
(1ø, 230V)
INPUT MAINS SUPPLY UNIT 2
EBY43429009
Outdoor Wiring Diagram : 36K
RD
OUTDOOR WIRING DIAGRAM
OR
CAP3
BK
5
BR
RD
C
BK
RD
R
COMP. 1
FAN
MOTOR
S
RD
C WH
R
S
RD
RD
BK
BL
R
CAP 1
H
BL
TB
1
C F
C
RD
BK
C F
CAP 2
H
OR
COMP. 2
S
TB
WH
2
2
8
RD/BR
6
2
8
0
BK/BL
1
4
3
2
6
BK/BL
1
4
5
0
1
4
RD/BR
RD
RD/BR
BK/BL
L1 N1
BK/BL
RD
RD/BR
N2 L2
6
GR
BK
RD/BR
BK/BL
BK/BL
RD
SIGNAL
BK
RD/BR
RD/BR
BK/BL
BK/BL
RD
SIGNAL
BK/BL
BK/BL
RD/BR
GR
(1ø, 230V)
TO INDOOR
INPUT MAINS SUPPLY UNIT 1 UNIT 1
TO INDOOR
UNIT 2
(1ø, 230V)
INPUT MAINS SUPPLY UNIT 2
3854A20298X
11
Bundle the piping and drain hose together by
wrapping them with cloth tape over the range
within which they fit into the rear piping housing
section.
Pipe
Connection of the
3 pipes-Outdoor
Drain hose
Vinyl tape(narrow)
Align the center of the pipings and
A sufficiently
tighten the flare nut by hand.
Wrap with
vinyl tape(wide)
H Reroute the pipings and the drain hose across
the back of the chassis.
Piping for
passage through
piping hole
I Set the pipings and the drain hose to the back of
the chassis with the tubing holder.
Hook the edge of tubing holder to tap on chassis
and push the bottom of tubing holder to be
engaged at the bottom of chassis.
B Finally, tighten the flare nut with torque
wrench until the wrench clicks.
When tightening the flare nut with torque
wrench, ensure the direction for tightening
follows the arrow on the wrench.
Capacity
Pipe Size[Torque]
5/8"[6.6kg.m]
48K
1/4"[1.8kg.m]
1/2"[5.5kg.m]
24K, 36K
LIQUID
GAS
(Btu/h)
1/4"[1.8kg.m]
Tubing holder
1 Hook
Outdoor unit
Gas side piping
(Bigger diameter)
2 Push
Liquid side
piping
(Smaller
diameter)
J Indoor unit installation
Remove the spacer.
Ensure that the hooks are properly seated on the
installation plate by moving it left and right.
Torque wrench
Connecting
cable
Drain hose
Press the lower left and right sides of the unit against
the installation plate until the hooks engage into their
slots(clicking sound).
10
C Insert the connecting cable into the indoor unit.
Don't connect the cable to the indoor unit.
Make a small loop with the cable for easy
connection later.
D Tape the drain hose and the connecting cable.
Connecting cable
Capacity
Pipe Size[Torque]
1/4"[1.8kg.m]
1/2"[5.5kg.m]
24K, 36K
LIQUID
GAS
(Btu/h)
48K
5/8"[6.6kg.m]
1/4"[1.8kg.m]
When extending the drain hose at the indoor unit.
install the drain pipe.
Drain pipe
Indoor unit drain hose
Adhesive
E Indoor unit installation
Hang the indoor unit from the hooks at the top of
the installation plate.
Insert the spacer etc. between the indoor unit and
the installation plate and separate the bottom of
the indoor unit from the wall.
Vinyl tape(narrow)
G Wrap the insulation material around the
connecting portion.
Overlap the connection pipe heat insulation and the
indoor unit pipe heat insulation material. Bind them
together with vinyl tape so that there is no gap.
Plastic bands Insulation material
Indoor unit
Spacer
Installation plate
8cm
F Connecting the pipings to the indoor unit and
Wrap the area which accommodates the rear
piping housing section with vinyl tape.
the drain hose to drain pipe.
Align the center of the pipings and sufficiently
tighten the flare nut by hand.
Indoor
unit pipe
Connection
pipe
Vinyl tape
(wide)
Indoor unit tubing
Flare nut
Wrap with vinyl tape
Pipe
Pipings
Vinyl tape(narrow)
Tighten the flare nut with a wrench.
Connecting cable
Spanner (fixed)
Flare nut
Connection pipe
Torque wrench
Indoor unit tubing
9
Tighten the flare nut with a wrench.
Spanner (fixed)
Flare nut
Wrap the area which accommodates the rear
piping housing section with vinyl tape.
Connection
pipe
Vinyl tape
(wide)
Indoor
unit pipe
Wrap with vinyl tape
Connection pipe
Torque wrench
Connecting cable
Indoor unit tubing
Pipe
Vinyl tape(narrow)
Capacity
(Btu/h)
Pipe Size[Torque]
5/8"[6.6kg.m]
48K
1/4"[1.8kg.m]
1/2"[5.5kg.m]
24K, 36K
LIQUID
GAS
1/4"[1.8kg.m]
When extending the drain hose at the indoor unit,
install the drain pipe.
Bundle the piping and drain hose together by
wrapping them with vinyl tape over the range
within which they fit into the rear piping housing
section.
Wrap with vinyl tape
Pipe
Drain pipe
Vinyl tape(wide)
Drain hose
Indoor unit drain hose
Adhesive
For right rear piping
Vinyl tape(narrow)
A Route the indoor tubing and the drain hose to
F Wrap the insulation material around the
the required piping hole position.
connecting portion.
Overlap the connection pipe insulation material and
the indoor unit pipe insulation material. Bind them
together with vinyl tape so that thee is no gap.
Plastic bands Insulation material
B Insert the piping, drain hose and the connecting
cable into the piping hole.
Connecting cable
Drain pipe
8
2
Connection of piping
--Indoor
C
Preparing the indoor unit's piping and drain
hose for installation through the wall.
Remove the plastic tubing retainer (see
illustration below) and pull the tubing and
drain hose away from chassis.
Replace the plastic tubing holder in the
original position.
Tape the tubing, drain hose and the connecting
cable. Be sure that the drain hose is located at
the lowest side of the bundle. Locating at the
upper side can cause drain pan to overflow
inside the unit.
Loop
Tubing holder
To remove the holder,
press the bottom of
chassis near the holder
upward and pull the tab
out of its hole.
Pull
Press
Liquid side
piping
Drain hose
Gas side
piping
Connecting
cable
NOTE: If the drain hose is routed inside the room,
insulate the hose with an insulation material* so that
dripping from "sweating"(condensation) will not damage
furniture or floors.
*Foamed polyethylene or equivalent is recommended.
D Indoor unit installation
CAUTION
When install, make sure
that the remaining parts
must be removed clearly
so as not to damage the
piping and drain hose,
especially power cord
and connecting cable.
Hook the indoor unit onto the upper portion of the
installation plate.(Engage the two hooks of the
rear top of the indoor unit with the upper edge of
the installation plate.) Ensure that the hooks are
properly seated on the installation plate by
moving it left and right
For left rear piping
A
Connecting
cable
Route the indoor tubing and the drain hose
in the direction of rear left.
Drain hose
Press the lower left and right sides of the unit
against the installation plate until the hooks engage
into their slots(clicking-sound).
Connecting the pipings to the indoor unit and
E drain
hose to drain pipe.
Drain hose
B
Align the center of the pipings and sufficiently
tighten the flare nut by hand.
Insert the connecting cable into the indoor
unit from the outdoor unit through the
piping hole.
Do not connect the cable to the indoor unit.
Make a small loop with the cable for easy
connection later.
Indoor unit tubing
Flare nut
Pipings
7
1
FLARING WORK AND CONNECTION OF PIPING
Flaring work
Main cause for gas leakage is due to defect in
flaring work. Carry out correct flaring work in the
following procedure.
A Cut the pipes and the cable.
Use the piping kit accessory or the pipes
purchased locally.
Measure the distance between the indoor
and the outdoor unit.
Cut the pipes a little longer than measured
distance.
Cut the cable 1.5m longer than the pipe
length.
90°
D Flaring work
Carry out flaring work using flaring tool as shown
below.
Outside diameter
5/8
ø15.88
1/2
ø12.7
3/8
ø9.52
1/4
ø6.35
inch
mm
A
mm
0~0.5
0~0.5
0~0.5
0~1.0
Firmly hold copper pipe in a die in the dimension
shown in the table above.
Bar
Copper
pipe
"A"
Handle
Bar
Yoke
Slanted Uneven Rough
Cone
Copper pipe
Clamp handle
Red arrow mark
B Burrs removal
Completely remove all burrs from the cut
cross section of pipe/tube.
Put the end of the copper tube/pipe in a
downward direction as you remove burrs in
order to avoid dropping burrs into the tubing.
Pipe
E Check
Compare the flared work with figure below.
If flare is noted to be defective, cut off the flared
section and do flaring work again.
Smooth all round
Inside is shiny without scratches
Reamer
= Improper flaring =
Point down
Inclined Surface Cracked Uneven
damaged
thickness
Even length
all round
C Putting nut on
Remove flare nuts attached to indoor and
outdoor unit, then put them on pipe/tube
having completed burr removal.
(not possible to put them on after flaring
work)
Flare nut
Copper tube
6
3
How to fix installation plate
The wall you select should be strong and solid
enough to prevent vibration.
A
Mount the installation plate on the wall with
four type A screws. If mounting the unit on a
concrete wall, use anchor bolts.
4 Drill a hole in the wall
Drill the piping hole with a ø70mm hole core
drill. Drill the piping hole at either the right or
the left with the hole slightly slanted to the
outdoor side.
WALL
Mount the installation plate horizontally by
aligning the centerline using a level.
Indoor
Outdoor
Installation Plate
5-7mm
Marking
-off line
Thread
Weight
B
(0.2~0.3")
CAUTION
Make sure that the drilled hole in the wall is
properly sealed (using a proper sealant, for
example cement, plaster of paris etc.) after
passing the installation pipe, drainage pipe
and the inter connecting cable.
Measure the wall and mark the centerline. It
is also important to use caution concerning
the location of the installation plate-routing of
the wiring to power outlets is through the
walls typically. Drilling the hole through the
wall for piping connections must be done
safely.
Left rear piping
"D"
Right rear piping
"C"
ø70mm
Hole center
5
INSTALLATION OF INDOOR, OUTDOOR UNIT
Read completely, then follow step by step.
1
Select the best location
A Indoor unit
Do not have any heat or steam near the
unit.
Select a place where there are no
obstacles in front of the unit.
Make sure that condensation drainage
can be conveniently routed away.
Do not install near a doorway.
Ensure that the space around the left and
right of the unit is more than 5cm. The
unit should be installed as high on the
wall as possible, allowing a minimum of
5cm from ceiling.
Use a stud finder to locate studs to
prevent unnecessary damage to the wall.
More than 5cm
More than 5cm
Rooftop Installations:
If the outdoor unit is installed on a roof structure, be
sure to level the unit. Ensure the roof structure and
anchoring method are adequate for the unit location.
Consult local codes regarding rooftop mounting.
2
Piping length and elevation
Capacity
(Btu/h)
Max. Additional
Pipe Size Standard Max.
Length Elevation length Refrigerant
A (m)
B (m)
(m)
(g/m)
GAS LIQUID
5
18K X 2EA 1/2" 1/4"
(Indoor)
5
12K X 2EA 1/2" 1/4"
(Indoor)
24K X 2EA 5/8" 1/4"
(Indoor)
5
15
15
15
30
30
30
15
15
20
Outdoor unit
More than 2.3m
More than 5cm
A
CAUTION
Indoor unit
B
Install the indoor unit on the wall where the height
from the floors more than 2.3 meters.
B Outdoor unit
If an awning is built over the unit to
prevent direct sunlight or rain exposure,
make sure that heat radiation from the
condenser is not restricted.
Ensure that the space around the back
and sides is more than 10cm. The front of
the unit should have more than 70cm of
space.
Do not place animals and plants in the
path of the warm air.
Take the air conditioner weight into
account and select a place where noise
and vibration are minimum.
Select a place so that the warm air and
noise from the air conditioner do not
disturb neighbors.
More than 70cm
Outdoor unit
A
Oil trap
Indoor unit
B
In case more than 5m
More than 70cm
More than 70cm
More than 10cm
More than 70cm
More than 10cm
More
than 70cm
More than 70cm
More
than 70cm
More than 70cm
4
THE FOLLOWING SHOULD BE ALWAYS OBSERVED FOR SAFETY
Be sure to read "THE FOLLOWING SHOULD BE ALWAYS OBSERVED FOR SAFETY" before installing the air
conditioner.
Be sure to observe the cautions specified here as they include important items related to safety.
The indications and meanings are as follows.
: Could lead to serious injury in particular environments when operated
incorrectly.
CAUTION
: Could lead to death, serious injury, etc.
WARNING
After reading this instructions, be sure to keep it together with the owner's manual in a handy place on the
customer's site.
WARNING
Do not install it yourself (customer).
Incorrect installation could cause injury due to fire,
electric shock, the unit falling or leakage of water.
Consult the dealer from whom you purchased the
unit or special installer.
Install the unit securely in a place which can bear
the weight of the unit.
When installed in an insufficiently strong place,
the unit could fall causing injury.
Use the specified wires to connect the indoor and
outdoor units securely and attach the wires firmly
to the terminal board connecting sections so the
stress of the wires is not applied to the sections.
Perform the installation securely referring to the
installation instruction.
Incorrect installation could cause a personal
injury due to fire, electric shock, the unit falling
or leakage of water.
Perform electrical work according to the installation
manual and be sure to use an exclusive circuit.
If the capacity of the power circuit is insufficient
or there is incomplete electrical work, it could
result in a fire or an electric shock.
Check that the refrigerant gas does not leak after
installation is completed.
Incorrect connection and fixing could cause fire.
Attach the electrical part cover to the indoor unit
and the service panel to the outdoor unit securely.
If the electrical part cover of the indoor unit and/or
the service panel of the outdoor unit are not
attached securely, it could result in a fire or
electric shock due to dust, water, etc.
Be sure to use the part provided or specified parts
for the installation work.
The use of defective parts could cause an injury
due to a fire, electric shock, the unit falling, etc.
CAUTION
Do not install the unit in a place where an
inflammable gas leaks.
Perform the drainage/piping work according
to the installation instruction.
If gas leaks and accumulates in the area
surrounding the unit, it could cause an explosion.
If there is a defect in the drainage/piping work,
water could leak from the unit and household
goods could get wet and be damaged.
3
Installation
Requirements
INSTALLATION OVERVIEW
Required Parts
Required Tools
The following should be always
observed for safety...................3
Pipes: Gas side ...........1/2"
Liquid side
1/4"
(Refer to page 4)
Insulation materials
Additional drain pipe
(Outer Diameter ...........15.5mm)
Flaring work and connection of
piping .........................................6
Connection of piping(Indoor)......7
For right rear piping
For left rear piping
Connection of piping (Outdoor)
..............................................10
Installation plate
Four type "A" screws
Connecting cable
Installation of indoor, outdoor
unit..............................................4
Level gauge
Screw driver
Electric drill
Hole core drill(ø70mm)
Flaring tool set
Specified torque wrenches
1.8kg.m, 4.2kg.m, 5.5kg.m, 6.6kg.m
(different depending on model No.)
(Refer to page 10)
Spanner......................Half union
Wiring Diagram .......................11
Connecting the cable between
indoor unit and outdoor unit ......
..................................................13
A glass of water
Screw driver
Checking the drainage and
Forming the piping .................16
Air purging ..............................17
Test running ............................19
Hexagonal wrench(4mm)
Gas-leak detector
Vacuum pump
Gauge manifold
Two type "B" screws
Owner's manual
Thermometer
Holder Remote Control
2
INSTALLATION MANUAL
AIR CONDITIONER
Please read this installation manual completely before installing
the product.
Installation work must be performed in accordance with the national
wiring standards by authorized personnel only.
Please retain this installation manual for future reference after reading it thoroughly.
TYPE : MULTI SPLIT WALL MOUNTED
P/No. MFL67470601
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